package com.summer.report.web.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.http.HttpServlet;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class DruidConfig {

    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid(){
        return new DruidDataSource();
    }

    /**
     * 配置druid后台管理的servlet
     * @return
     */
    @Bean
    public ServletRegistrationBean druidStatViewServlet(){
        ServletRegistrationBean<HttpServlet> bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        Map<String,String> initParam=new HashMap<>();
        initParam.put("loginUsername","root");
        initParam.put("loginPassword","root");

        bean.setInitParameters(initParam);
        return bean;
    }

    /**
     * druid监控Filter
     * @return
     */
    @Bean
    public FilterRegistrationBean druidStatFilter(){
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());

        Map<String,String> initParam=new HashMap<>();
        initParam.put("exclusions","*.html,*.js,*.css,*.jpg,*.png,*.gif,/druid/*");
        bean.setInitParameters(initParam);

        bean.setUrlPatterns(Arrays.asList("/*"));
        return bean;
    }
}
